Apparatus for manufacturing surfacing units



APPARATUS FOR MANUFACTURY LNG SURFACING UNITS Filed March 11, 1935 v2 Sheets She e t l March23,1937. H. J. LITTLE 2,014,966

APPARATUS FOR MANUFACTURING SURFACING UNITS I Filed March-11, 1935 a 2 Sheets-Sheet 2 .lllwp ll I AIANVENTOR. Haw/1R0 J L! r71. E,

Patented Mar. 23, 1937 APPARATUS FOR MANUFACTURING SURFACING UNITS Howard J. Little, Fort Thomas, Ky., oasis nor, by

mesne assignmento, to The Andrews Steel Company, a corporation of Delaware Application March 11, 1935, Serial No.110,358

I are ordinarily corrugated. Furthermore, when.

sheet metal surfacing units are laid in overlapping relation, the overlapping margins are wavy and out of contact at various spaced intervals between places where nails are applied. thereby creating open spaces which give access to rain.

It is the aim of the present invention to construct novel and improved surfacing units which overcome the foregoing objection, and also to provide a machine for so constructing said units.

The units are preferably provided with a single or double corrugation on, opposite marginal edges.

an intermediate single or double corrugation. preferably parallel to the corrugations on. the

marginal edges, and a transverse corrugation adjacent to one end of the unit. The intermediate corrugation or corrugations is sometimes omitted whether edge corrugations and/or intermediate corrugation be employed or not. That end of the unit which is provided with the transverse corrugation, may be advantageously 'flexed below the plane of the under side of the units so that when overlapped with the opposite end of a similar unit, the flexed end will be compressed by the nails to provide a continuous line contact.

For a better understanding of the invention reference may be made to the accompanying drawings in which Figure 1 is perspective view of a sheet corrugating machine embodying the invention;

Figure 2 is a cross-sectional view of the upper sheet taken on lines 2-2 of Fig. 3;

Figure 3 is a section showing the top and bottom ends of similar sheets in overlapping re lation;

Figure 4 is an enlarged detailed view of a fragmentary section of thelower roll;

Figure 5 is an enlarged detailed view of another fragmentary section of the lower roll;

Figure 6 is a cross-sectional view, with parts broken away, of the corrugating rolls;

Figure '7 is a fragmentary view of one of the female dies;

Figure 8 is a cross-sectional enlarged view taken on lines 8-8 of Fig. 1; and

Figure 9 is a crosssectional view taken through lines 9-! of Fig. 3 immediately before the nail is completely driven in. f 4

Referring specifically to the drawings in which like numbers have been used to designate like parts, a corrugating device comprising essentially apair of corrugating rolls I and 2 are mounted in a pair of standards 3 supported on any suitable foundation 4. The lower roll i is preferably'nonadjustable, and the other roll 2 is advantageously adjustably mounted in the standards, the adjustment being effected by hearing blocks .5, movable within recesses 6 in the standards, in which the ends of the rolls are iournaled. These blocks 5 may be conveniently manipulated by means of hand wheels I to position the roll 2 in relation to roll I. "Springs (not shown) are preferably interposed in the standards to impinge against the blocks 5 and normally hold the rolls slightly spaced apart. The corrugating rolls are driven by any suitable source of power, typified herein by electric motor 8, which is connected to the rolls by any suitable gear mechanism housed within the casing 9. The driving mechanism is of conventional construction and does not need to be described in detail. The rolls are substantially the same in general construction except'that one' is provided with female dies and the other is provided with male dies, these being adapted to cooperate as the rolls are rotated. Roll I is provided with a duplicate set of double female dies l0 and a. single female die II which is interposed intermediately the two sets of double dies. The periphery of the rolls, which are hexagonal in contour, are built up into cylindrical conformation by means of sections l2 applied to the face portions l3 and keyed at I l. The dies are mounted upon the face sides of any of these sections and are transversely and vertically adjustable by means of respective screw adjustments l5 and It. The adjustable feature of the dies i0 and Ii by means of screw adjustments i5 and it forms no part of the invention claimedin this application. 4

The dies are positioned longitudinally of the roll to provide double corrugations H on opposite edges of a roofing sheet l8 and an intermediate single corrugation I9. One end of roll 2 and the corresponding end of roll I is respectively provided with a circumferential embossment' 20 and circumferential depression 2| which cooperate to emboss a transverse bead 22 in ,one end of the roofing sheet l8 at the same time that corrugations" and [9 are formed. This transverse bead is spaced a relatively short distance from the end of the unit. When the bead is formed the end edge of the unit is flexed below the normal plane surface of the under side in conformity with the slightly tapering end of one roll below and the slightly tapering end of the other roll above the normal horizontal plane between peripheral faces ofthe rolls, therefore providing a flexed end that will when in we be resiliently compressed against the face of the underlapped unit as shown in Figure 9 to prevent a wavy edge.

One of the corrugating rolls, preferably the adjustable one, may advantageously be provided with a gripping device 23 inasmuch as the sheets which are corrugated are very thin in thickness and may not be at all times grasped by the rolls, particularly at those portions between the dies.

Accordingly the gripping devices serve to hold the sheets at all times grasped between the rollers. This gripping device is typified by a metal plate 24 having a facing 2iof other material secured thereto to provide. a suitable means for frictionally contacting with the face of the sheet.

While any suitable frictional facing material is satisfactory, I have found that rubber is particularly suitable inasmuch as it may be easily secured to the plate as by vulcanizing. The plate 24 may be tightly clamped to the roll by means of screws 26 having a head 21 countersunk in the metal plate. These are preferably long and narrow, extending from one die insert to the other.

At spaced intervals transversely over the sheet there maybe provided any number of raised studs or embossments 28 which serve as suitable means for receiving nails 29 or other securing devices for attaching the sheets to the surface to be covered, such as a roof or a wall. The embossments or studs 20 are formed by cooperating embossments 29 and depressions 30 on the corrugating rolls adjacent the embossment 20 and depression 2|. While I have shown these embossments or studs 28 merg-- ing with the transverse bead 22, it will be understood that they may merge with or be spaced from the transverse head, for the transverse bead itself or the edge corrugations also serve as suitable raised portions for receiving securing nails. The units may be nailed at any of the embossed'portions whether provided solely for nailing portions or for the other corrugations above described. The embossments are elevated, and the water flows away from the place where the nail is projected through the unit.

The blank metal sheets from which the surfacing units are to be corrugated, are cut into desired sizes and then fed betweenthe corrugating rolls. In order to facilitate feeding the blanks to the corrugating machine, a feed table 32 may be positioned adjacent the rolls, and at spaced intervals, the table is cut away at 33 to provide for any number of endless feed chains 34 to move and automatically feed the sheets to the embossing rolls. Each of the endless 'chains are provided with arms 35 arranged in parallelism so that, when rotating, they engage the edge of the sheets and feed them to the corrugating rolls. The length of the sheets vary, some being short and some being longer, thus it is preferable to provide several feeding devices and also several gripping devices 23 in the corrugatingroll, for by having several of them,

provision of a guide rail device 36 positioned loosely on the table against which one end of the shaft is journaled in bearing 39 in the standard.

The table may be adjusted in position adjacent the corrugating rolls by means of hand wheels 43.

While I have described one preferred embodiment of the machine and one preferred embodiment of corrugated ro'oflng unitfor the purpose of illustrating the invention, it will be understood that various changes in details of construction may be made without departing from the spirit of the invention.

I claim: A

1. A machine for corrugating sheet metal surfacing units comprising means provided with cooperating male and female dies, and means in cooperation therewith to effect a corrugated edge and a flexed resilient end transverse to said corrugated edge.

2. A machine for corrugating sheet metal surfacing units comprising means provided with cooperating male and female dies, and means in cooperation therewith to effect corrugations on opposite edges and a flexed resilient end transverse to said corrugated edges.

3. A machine for corrugating sheet metal surfacing umts comprising means provided with cooperating male and female dies; and means in cooperation therewith to effect a flexed railient end and provide a raised nailing portion adjacent the flexed resilient end.

4. A machine for corrugating sheet metal surfacing units comprising means provided with 00- operating male and female dies, and means in.

cooperation therewith to effect a flexed resilient end on the units and provide a raised portion on the flexed resilient end.

5. A machine for corrugating sheet metal surfacing units comprising means provided with male and female dies, said dies being disposed on said means to corrugate the units, means coi operating therewith to flex one end thereof transversely to the corrugations, and means for forming beading on the flexed end.

6. A machine for corrugating sheet metal surfacing units comprising cooperating rolls, one of which is provided with male dies and the other 4 of which is provided with female dies, said dies being disposed on the rolls to effect corrugations on opposite edges and means cooperating therewith to provide a flexed resilient end transverse to said corrugated edges.

'7. A machine for corrugating sheet'metal surfacing units comprising means provided with male and female dies. said dies being disposed on said means to corrugate the units, means to I metal sur- 9. A machine for corrugating' she et metal surfacing units comprising means to .eflect a corrugated edge on said units, means to form a flexed resilient end transverse to saldcorrugated-edge,

corrugated edge.

10.- A machine for con-ligating sheet metal sur-.

facing units adapted to be laid in overlapping relation comprising means to elect a supstantially longitudinal corrugation on said units and means to form a flexed resilient portion transverse to said corrugation. I

11. A machine for corrugating sheet metal surfacing units adapted to be laid in overlapping relation comprising means to eil'ect a substantially longitudinal corrugation on said units. and means for forming a flexed resilient portion and a heading transverse to said corrugation.

12. A machine for corrugating sheet'metai surfacing units comprising rolls provided with eooperatingmaleandfemalediesafllaedtothe peripheral faces thereof and means associated with one of the rolls adapted to hold the metal units in relative position while being fed between the rolls.

13. A machine for 0011708931118 sheet metal surfacing units comprising rolls provided with cooperating male and female dies ai'lixed to the peripheral faces thereof, and means associated with one of the rolls adapted to hold the metal units in relative position while being fed between the rolls, said means comprising a resilient strip.

14. A machine for corrugating sheet metal surfacing units comprising rolls provided with cooperating male and female dies ailixed to the peripheral faces thereof, and means associated with one of the rolls adapted to hold the metal units in relative position while being fed between the rolls, said means comprising a rubber strip.

- HOWARD .7. mm. 

